BR112020024257A2 - método de codificação de sinal estéreo, aparelho, meio de armazenamento legível por computador e chip - Google Patents
método de codificação de sinal estéreo, aparelho, meio de armazenamento legível por computador e chip Download PDFInfo
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- BR112020024257A2 BR112020024257A2 BR112020024257-8A BR112020024257A BR112020024257A2 BR 112020024257 A2 BR112020024257 A2 BR 112020024257A2 BR 112020024257 A BR112020024257 A BR 112020024257A BR 112020024257 A2 BR112020024257 A2 BR 112020024257A2
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- 238000000034 method Methods 0.000 title claims abstract description 118
- 238000009499 grossing Methods 0.000 claims description 48
- 230000007774 longterm Effects 0.000 claims description 43
- 230000015654 memory Effects 0.000 claims description 34
- 230000006870 function Effects 0.000 claims description 29
- 238000012545 processing Methods 0.000 description 40
- 238000007781 pre-processing Methods 0.000 description 35
- 238000012937 correction Methods 0.000 description 20
- 230000009466 transformation Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 6
- 230000001052 transient effect Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000003416 augmentation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/756—Media network packet handling adapting media to device capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549237.3 | 2018-05-31 | ||
| CN201810549237.3A CN110556117B (zh) | 2018-05-31 | 2018-05-31 | 立体声信号的编码方法和装置 |
| PCT/CN2019/076341 WO2019227991A1 (zh) | 2018-05-31 | 2019-02-27 | 立体声信号的编码方法和装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112020024257A2 true BR112020024257A2 (pt) | 2021-02-23 |
Family
ID=68697244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112020024257-8A BR112020024257A2 (pt) | 2018-05-31 | 2019-02-27 | método de codificação de sinal estéreo, aparelho, meio de armazenamento legível por computador e chip |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US11462224B2 (zh) |
| EP (1) | EP3783607B1 (zh) |
| JP (2) | JP7110401B2 (zh) |
| KR (2) | KR20230098708A (zh) |
| CN (2) | CN110556117B (zh) |
| BR (1) | BR112020024257A2 (zh) |
| SG (1) | SG11202011324RA (zh) |
| WO (1) | WO2019227991A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556118B (zh) | 2018-05-31 | 2022-05-10 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
| CN115280411A (zh) * | 2020-03-09 | 2022-11-01 | 日本电信电话株式会社 | 声音信号缩混方法、声音信号编码方法、声音信号缩混装置、声音信号编码装置、程序及记录介质 |
| CN117079657B (zh) * | 2023-10-16 | 2024-01-26 | 中国铁塔股份有限公司 | 压限处理方法、装置、电子设备及可读存储介质 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4245288B2 (ja) * | 2001-11-13 | 2009-03-25 | パナソニック株式会社 | 音声符号化装置および音声復号化装置 |
| KR100711989B1 (ko) * | 2002-03-12 | 2007-05-02 | 노키아 코포레이션 | 효율적으로 개선된 스케일러블 오디오 부호화 |
| US7318035B2 (en) * | 2003-05-08 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Audio coding systems and methods using spectral component coupling and spectral component regeneration |
| PL3561810T3 (pl) * | 2004-04-05 | 2023-09-04 | Koninklijke Philips N.V. | Sposób kodowania lewego i prawego sygnału wejściowego audio, odpowiedni koder, dekoder i produkt w postaci programu komputerowego |
| US7835918B2 (en) * | 2004-11-04 | 2010-11-16 | Koninklijke Philips Electronics N.V. | Encoding and decoding a set of signals |
| KR101183859B1 (ko) | 2004-11-04 | 2012-09-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 다중채널 오디오 신호들의 인코딩 및 디코딩 |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
| EP1987513B1 (fr) * | 2006-02-06 | 2009-09-09 | France Telecom | Procede et dispositif de codage hierarchique d'un signal audio source, procede et dispositif de decodage, programmes et signal correspondants |
| US8571875B2 (en) * | 2006-10-18 | 2013-10-29 | Samsung Electronics Co., Ltd. | Method, medium, and apparatus encoding and/or decoding multichannel audio signals |
| CN101067931B (zh) * | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与*** |
| CN101393743A (zh) * | 2007-09-19 | 2009-03-25 | 中兴通讯股份有限公司 | 一种可配置参数的立体声编码装置及其编码方法 |
| US8374883B2 (en) * | 2007-10-31 | 2013-02-12 | Panasonic Corporation | Encoder and decoder using inter channel prediction based on optimally determined signals |
| KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
| CN101635145B (zh) * | 2008-07-24 | 2012-06-06 | 华为技术有限公司 | 编解码方法、装置和*** |
| RU2520329C2 (ru) * | 2009-03-17 | 2014-06-20 | Долби Интернешнл Аб | Усовершенствованное стереофоническое кодирование на основе комбинации адаптивно выбираемого левого/правого или среднего/побочного стереофонического кодирования и параметрического стереофонического кодирования |
| FR2947944A1 (fr) * | 2009-07-07 | 2011-01-14 | France Telecom | Codage/decodage perfectionne de signaux audionumeriques |
| KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
| KR101710113B1 (ko) | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법 |
| CN102243876B (zh) * | 2010-05-12 | 2013-08-07 | 华为技术有限公司 | 预测残差信号的量化编码方法及装置 |
| IN2014CN01270A (zh) * | 2011-09-29 | 2015-06-19 | Dolby Int Ab | |
| CN104170007B (zh) * | 2012-06-19 | 2017-09-26 | 深圳广晟信源技术有限公司 | 对单声道或立体声进行编码的方法 |
| EP2690621A1 (en) * | 2012-07-26 | 2014-01-29 | Thomson Licensing | Method and Apparatus for downmixing MPEG SAOC-like encoded audio signals at receiver side in a manner different from the manner of downmixing at encoder side |
| EP2863657B1 (en) | 2012-07-31 | 2019-09-18 | Intellectual Discovery Co., Ltd. | Method and device for processing audio signal |
| KR102204136B1 (ko) * | 2012-08-22 | 2021-01-18 | 한국전자통신연구원 | 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법 |
| US20150125023A1 (en) | 2013-03-08 | 2015-05-07 | Ideavillage Products Corp. | Headset with variable acoustic impedance |
| EP2830052A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| RU2729603C2 (ru) * | 2015-09-25 | 2020-08-11 | Войсэйдж Корпорейшн | Способ и система для кодирования стереофонического звукового сигнала с использованием параметров кодирования первичного канала для кодирования вторичного канала |
-
2018
- 2018-05-31 CN CN201810549237.3A patent/CN110556117B/zh active Active
- 2018-05-31 CN CN202210345190.5A patent/CN114708874A/zh active Pending
-
2019
- 2019-02-27 SG SG11202011324RA patent/SG11202011324RA/en unknown
- 2019-02-27 EP EP19811645.1A patent/EP3783607B1/en active Active
- 2019-02-27 WO PCT/CN2019/076341 patent/WO2019227991A1/zh unknown
- 2019-02-27 KR KR1020237021245A patent/KR20230098708A/ko not_active Application Discontinuation
- 2019-02-27 JP JP2020566740A patent/JP7110401B2/ja active Active
- 2019-02-27 KR KR1020207035773A patent/KR102548475B1/ko active IP Right Grant
- 2019-02-27 BR BR112020024257-8A patent/BR112020024257A2/pt unknown
-
2020
- 2020-11-25 US US17/104,852 patent/US11462224B2/en active Active
-
2022
- 2022-07-20 JP JP2022115641A patent/JP7520922B2/ja active Active
- 2022-08-11 US US17/886,087 patent/US11978463B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110556117A (zh) | 2019-12-10 |
| CN114708874A (zh) | 2022-07-05 |
| JP7520922B2 (ja) | 2024-07-23 |
| US11462224B2 (en) | 2022-10-04 |
| JP2021525390A (ja) | 2021-09-24 |
| US20210082445A1 (en) | 2021-03-18 |
| KR20210008091A (ko) | 2021-01-20 |
| US20220392470A1 (en) | 2022-12-08 |
| EP3783607A1 (en) | 2021-02-24 |
| KR102548475B1 (ko) | 2023-06-26 |
| SG11202011324RA (en) | 2020-12-30 |
| EP3783607A4 (en) | 2021-06-30 |
| EP3783607B1 (en) | 2024-05-08 |
| CN110556117B (zh) | 2022-04-22 |
| WO2019227991A1 (zh) | 2019-12-05 |
| JP2022163058A (ja) | 2022-10-25 |
| JP7110401B2 (ja) | 2022-08-01 |
| KR20230098708A (ko) | 2023-07-04 |
| US11978463B2 (en) | 2024-05-07 |
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